@charset "utf-8";
*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
nav{
    width: 100%;
    background-color: #000000;
    color: white;
    div{
        padding-top: 1rem;
        float: right;
    }
}
header{
    width: 100%;
    height: 8rem;
    background-color: black;
    display: flex;
    img{width: 10%;}
    .ull>li{
        float: left;
        margin-top: 3rem;
        margin-left: 4rem;
        width: 125px;
        color: white;
        font-family: "微软雅黑";
        font-size: 18px;
    }
    a{
        color: white;
    }
    a:hover{
        color: orange;
    }
    .uu{
        position:relative;  
        z-index: 10;
        display: none;
        li{
            margin-top: 2rem;
        }
    }

}
aside{
    width: 100%;
    height: 400px;
    background-color: darkgray;
    position: absolute;
    background: rgba(0,0,0,0.5);
    display: none;
}
section{
    width: 100%;
    height: 100%;
    img{
        width: 100%;
        height: 800px;
    }
}
.dd-1{
    width: 100%;
    display: flex;
    justify-content: space-around;
    div{
        text-align: center;
    }
}
.dd-2{
    width: 100%;
    display: flex;
    justify-content: space-around;
}
.box{
    display: flex;
    justify-content: space-around;
    border-bottom: 5px solid darkgray;
    padding-bottom: 1rem;
    margin-top: 2rem;
    .foo{
    display: flex;
    color: darkgray;
    img{
        width: 100%;
        padding-right: 1rem;
    }
}

}
footer{
    display: flex;
    justify-content: space-between;
    color: darkgray;
}